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L6382D5TR fiches techniques PDF

STMicroelectronics - POWER MANAGEMENT UNIT FOR MICROCONTROLLED BALLAST

Numéro de référence L6382D5TR
Description POWER MANAGEMENT UNIT FOR MICROCONTROLLED BALLAST
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L6382D5TR fiche technique
L6382D5
POWER MANAGEMENT UNIT FOR MICROCONTROLLED
BALLAST
1 FEATURES
INTEGRATED HIGH-VOLTAGE START-UP
4 DRIVERS FOR PFC, HALF-BRIDGE & PRE-
HEATING MOSFETS
FULLY INTEGRATE POWER MANAGEMENT
FOR ALL OPERATING MODES
5V MICROCONTROLLER COMPATIBLE
INTERNAL TWO POINT Vcc REGULATOR
OVER-CURRENT PROTECTION WITH
DIGITAL OUTPUT SIGNAL
CROSS-CONDUCTION PROTECTION
(INTERLOCKING)
UNDER VOLTAGE LOCK OUT
INTEGRATED BOOTSTRAP DIODE
2 APPLICATIONS
DIMMABLE/NON-DIMMABLE BALLST
3 DESCRIPTION
Designed in High-voltage BCD Off-line technolo-
gy, the L6382D5 is provided with 4 inputs pin and
a high voltage start-up generator conceived for ap-
Figure 1. Package
SO20
Table 1. Order Codes
Part Number
L6382D5
L6382D5TR
Package
SO20 tube
SO20 in Tape & Reel
plications managed by a microcontroller. It allows
the designer to use the same ballast circuit for dif-
ferent lamp wattage/type by simply changing the
µC software.
The digital input pins - able to receive signals up to
400KHz - are connected to level shifters that pro-
vide the control signals to their relevant drivers; in
particular the L6382D5 embeds one driver for the
PFC pre-regulator stage, two drivers for the ballast
Figure 2. Block Diagram
HVSU
TPR
>600VHIGH
“OVNOLTAGE
START-UP
G“OEFNF”ERATOR
IC BIAS
µP UVLO
ON
5V
SUPPLY
L
PSW
O
G
I
C
DIM
TPR
BOOTSTRAP
RQ
LEVEL SHIFT
5V 600V
SQ
RQ
SQ
HED
HSD
LSD
OCP
PFD
BOOT
HSG
OUT
LSG
CSO
CSI
HEG
PFG
REF
GND
Vcc HSI LSI HEI PFI
January 2005
Rev. 1
1/14

PagesPages 14
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